BERLIN - China and Germany inked 18.1 billion U.S. dollars' worth of trade, investment and technological cooperation deals during Chinese Premier Li Keqiang's ongoing visit to the European economic powerhouse.

Li also urged Germany to increase high-tech exports to China, support the inauguration of feasibility studies on a China-EU free trade zone, and help ease the EU's high-tech export restrictions on China.

The two nations released a comprehensive action plan designed to lift bilateral relations and cooperation to higher levels.

The document was issued during an official visit to Germany by Chinese Premier Li Keqiang, who said Beijing is ready to open strategic dialogue with Berlin on diplomatic and security affairs.